* Merge Extract and Part to the Part expression.
Renamed "MatrixBase::extract() const" to "MatrixBase::part() const"
* Renamed static functions identity, zero, ones, random with an upper case
first letter: Identity, Zero, Ones and Random.
diff --git a/doc/snippets/MatrixBase_setOnes.cpp b/doc/snippets/MatrixBase_setOnes.cpp
index c4d0ac1..4cef9c1 100644
--- a/doc/snippets/MatrixBase_setOnes.cpp
+++ b/doc/snippets/MatrixBase_setOnes.cpp
@@ -1,3 +1,3 @@
-Matrix4i m = Matrix4i::random();
+Matrix4i m = Matrix4i::Random();
m.row(1).setOnes();
cout << m << endl;